Surgery – Truss – Pad
Patent
1974-10-02
1976-02-24
Frinks, Ronald L.
Surgery
Truss
Pad
3 1911, 128 92C, A61F 124
Patent
active
039394964
ABSTRACT:
An endoprosthetic bone joint device developed for the elbow, but applicable elsewhere, has two hinge components respectively defining complementary first and second bearing surfaces for mutual articulatory engagement, and each apertured to define third bearing surfaces. When implanted the hinge components are first coupled by a further component passed through the apertures and defining fourth bearing surfaces to articulate with the third surfaces. At this stage all of the bearing surfaces are appropriately engaged and stabilization of the implantation securement is facilitated. Subsequently the coupling can be removed to reduce the effect of distraction stresses on the device. The first and second surfaces are suitably of spherical ball and socket form, and can be of a twinned form, while the third and fourth surfaces are suitably of circular cylindrical form extending diametrally through the ball and socket.
REFERENCES:
patent: 3696446 (1972-10-01), Bousquet et al.
Original Gschwend Total Elbow, advertisement by Promed International Inc., The Journal of Bone & Joint Surgery, Vol. 55-A, No. 3, Apr. 1973.
"Arthroplasty of the Knee," by L.G.P. Shiers, The Journal of Bone & Joint Surgery, Vol. 36B, No. 4, Nov. 1954, pp. 553-560.
McKee Finger Joints - No. 6949, Vitallium Surgical Appliances (catalog) Austenal Medical Div. Howmet Corp. New York, N.Y., 1964, p. 53.
Lee Alan John Clive
Ling Robin Sydney Mackwood
Frinks Ronald L.
National Research Development Corporation
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